Museum at Bethel Woods — "Speak Truth to Power," In honor of the 50th anniversary of the Civil Rights Act of 1964, the museum will present these powerful, large-scale portraits of human rights activists around the world who have stood up to the powers to speak the truth, through Dec. 31, Bethel Woods Center, 200 Hurd Road, Bethel. Hours: 10 a.m.-5 p.m. Thurs.-Sun. 866-781-2922. bethelwoodscenter.org.

Putnam History Museum — "Remembering War, 1775 to the Present," works from Hudson Valley collections, 63 Chestnut St., Cold Spring. Also: Tour the Foundry School building, which was built in about 1830, enlarged in the 1860s, and used for the education of the foundry's teen apprentices as well as its employees' children. Admission $5, $2 senior citizens and ages 7-12, free for Putnam County Historical Society members and age 6 and younger. Hours: 11 a.m.-5 p.m. Wed.-Sun. 265-4010. pchs-fsm.org.

Washington's Headquarters State Historic Site — 84 Liberty St., Newburgh. Admission $4, $3 senior citizens and students age 13 and older, free age 12 and younger. Hours: 11 a.m.-5 p.m. Wed.-Sat., with tours offered every half-hour, beginning at 11:30 a.m., the last tour of the day at 4:30 p.m. Sunday hours are 1-5 p.m., with tours beginning at 1:30 p.m. and the last one starting at 4:30 p.m. 562-1195. facebook.com/washingtonsheadquarters.

West Point Foundry Preserve — Property in Cold Spring has been transformed into an outdoor educational resource featuring interpretive features that describe the foundry's vital roles in the Industrial Revolution and Civil War and document the land's ecological renewal. 68 Kemble Ave., Cold Spring. Open dawn-dusk year-round.

Wurtsboro Art Alliance Gallery — "Reaching Towards the Sun: 3 Dimensions of Art That Preserves the American Experience," works by three local artists, through Aug. 31, 73 Sullivan St., Wurtsboro. Hours: noon-4 p.m. Sat. and Sun. or by appointment. 733-6708.